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研究Tbps和千米范围传输的特拉赫兹信号的研究

Jianjun Yu¹, Jiali Chen¹

¹Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai 200433, China.

|July 30, 2025

概括

太赫兹 (THz) 通信使6G网络能够通过克服严重的信号损失来实现高速远距离数据传输. 关键的进步包括光子电子协同优化和新的系统设计,展示Tbps吞吐量和千米范围的链接.

科学领域:

特拉赫兹 (THz) 是通信系统工程的通讯频率.
光学和无线通信技术.
这是下一代移动网络基础设施.

背景情况:

太赫兹 (THz) 通信对于6G网络至关重要,解决超出当前微波和毫米波 (mmWave) 能力的数据需求.
重要挑战包括严重的自由空间路径损失 (FSPL) 和大气吸收,阻碍Tbps和千米范围的传输.

研究的目的:

审查克服远距离THz通信的基本挑战的进展.
突出通过光子-电子共优化开发的关键启用技术.

主要方法:

光子-电子联合优化策略.
发展光子辅助的THz信号生成.
实现极化多重复合多输入多输出 (MIMO) 系统与最大比率组合 (MRC).
高收益天线镜头配置和InP放大器系统的设计,以适应天气.

主要成果:

在330-500 GHz频段使用概率形状的64QAM (PS-64QAM) 实现的1.0488 Tbps吞吐量记录.
经过30.2公里的D频段传输以18Gbps的速度,产生了543.6Gbps·km的容量-距离乘积.
在312 GHz实现了3公里的雾透链路.
使用SIMO验证了100 Gbps的卫星-地面通信超过36,000公里.

结论:

所介绍的技术克服了远距离THz通信的根本挑战.
实验里程碑证实了THz通信对于6G网络的可行性.
太赫兹通信适用于极端容量的回程和超长距离连接需求.

关键词:

大气中的吸收吸收.一致的检测检测.高增益天线的天线.长途传输是指远距离的传输.最大的比率结合了最大的比率.通过光子辅助的光子辅助.极化复杂化多重复杂化功率放大器的功率放大器卫星地基通信卫星地基通信太赫兹通信通信

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